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Richmond Gear GM85373

Excel Ring & Pinion Gear Set GM 8.5" & 8.625" 12 Bolt Ratio: 3.73



Richmond Gear GM85373
Representative Image
Product images may differ from actual product appearance.

Part Number: 836-GM85373

Excel Ring & Pinion Gear Set
GM 8.5" & 8.625" 12 Bolt
  • Ratio: 3.73
  • Teeth: 41-11
  • $164.95
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    Richmond Gear GM85373 Excel Ring & Pinion Gear Set GM 8.5" & 8.625" 12 Bolt Ratio: 3.73 $164.95

    Richmond Gear GM85373 Details

    8.5 & 8.625" GM

  • Fits Carriers 2.73 and Higher
  • 8.50 & 8.625" Diameter Ring Gear
  • 1.626" Pinion Diameter
  • 30 Spline Pinion
  • 10 Hole Oval Cover

    Applications:

  • 1977-96 Buick Full Size
  • 1977-91 Blazer (K Series Front)
  • 1973-77 Apollo, Regal, Century
  • 1971-74 Biscayne
  • 1984-87 Grand National
  • 1971-75, 77-79 Skylark, GS
  • 1970-76 Chevelle
  • 1971-96 Chevy Full Size
  • 1970-79 Chevy II, Nova
  • 1971-81 Camaro, Firebird, TA
  • 1971-77 Cutlass
  • 1976-78 Electra
  • 1973-77 Gran Sport
  • 1970-81 GTO, Firebird
  • 1973-74 LeSabre
  • 1971-89 Olds Full Size
  • 1985-88 Olds, Hurst
  • 1971-89 Pontiac Full Size
  • 1985-88 Hurst Olds
  • 1973-75, 77-79 Omega
  • 1971-77 Grand Prix, Lemans
  • 1971-74, 96-96 Roadmaster
  • 1971-77 Ventura, Phoenix
  • 1972-81 Z28
  • 1970-76 Olds F65
  • 1980-02 C10, C15 (Rear)
  • 1980-02 K10, K15 (Rear)
  • 1977-87 K10, K20 (Front)
  • 1980-96 Suburban (Rear)
  • 1977-91 Suburban (Front)
  • 1973-76 El Camino
  • 1970-96 G10, G20 Van

  • Specifications:

    Gear Ratio
    3.73
    Axle Type
    GM 8.5 in.
    Carrier Series
    3
    Cover Bolts
    10
    Installation Kit Included
    No
    Pinion Gear Teeth
    11
    Pinion Shaft Diameter (in.)
    1.626
    Pinion Spline Count
    30
    Quantity
    Sold as a set
    Ring and Pinion Ratio
    3.73:1
    Ring Gear Bolts
    10
    Ring Gear Diameter (in.)
    8.5
    Ring Gear Rotation
    Standard
    Ring Gear Teeth
    41
    Manufacturer's Part Number:
    GM85373

    Richmond Gear Excel Ring and Pinion Sets are manufactured to tight tolerances. The gear design, tooling, steel selection, heat treat recipes and quality requirements are specified by Richmond. Designed to withstand the abuse of high performance and daily driving.

    Choose The Gear Ratio That Is Best For Your Vehicle
    .

    Does Richmond Gear GM85373 fit your vehicle?

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    • Liter: 5.7
    • SubModel: CLASSIC
    • EngineType: V8

    1975 CHEVROLET EL CAMINO

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1982 OLDSMOBILE DELTA 88

    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1976 PONTIAC LEMANS

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    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1972 CHEVROLET KINGSWOOD

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    • Liter: 6.6
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    1973 CHEVROLET BEL AIR

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    • Liter: 7.4
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    • SubModel: BASE
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    • CUI: 454
    • EngineType: V8

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    1971 CHEVROLET CAPRICE

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    • Liter: 6.6
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    • EngineType: V8

    1986 GMC K1500 PICKUP

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    • SubModel: BASE

    1973 PONTIAC LEMANS

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    • SubModel: SAFARI

    1971 CHEVROLET CHEVELLE

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    • EngineType: V8

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    • Liter: 5.7
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    • SubModel: BASE
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    • CUI: 350
    • EngineType: V8

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    • SubModel: ALL

    1981 GMC K2500 PICKUP

    • EngineType: L6
    • SubModel: SIERRA CLASSIC

    1972 CHEVROLET BISCAYNE

    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1986 CHEVROLET G10 VAN

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    • SubModel: BONAVENTURE

    1977-1978 CHEVROLET K20 PICKUP

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    • SubModel: CHEYENNE

    1972 CHEVROLET CHEVELLE

    • CC: 7439
    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8

    1977-1979 BUICK LESABRE

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    1981 CHEVROLET G10 VAN

    • Liter: 5.0
    • EngineType: V8
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    1972 CHEVROLET BROOKWOOD

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    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1971 PONTIAC VENTURA

    • EngineType: L6
    • SubModel: BASE

    1986 GMC C1500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1985 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

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    • SubModel: SCOTTSDALE

    1976 PONTIAC CATALINA

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    • SubModel: CATALINA (CANADIAN)

    1986 CHEVROLET G10 VAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BEAUVILLE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8

    1982 OLDSMOBILE DELTA 88

    • Liter: 4.3
    • SubModel: BASE
    • EngineType: V8

    1971 CHEVROLET KINGSWOOD

    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1977 PONTIAC LEMANS

    • Liter: 5.0
    • SubModel: SPORT
    • CUI: 305
    • EngineType: V8

    1973 BUICK CENTURY

    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 455
    • EngineType: V8

    1986 CHEVROLET G10 VAN

    • EngineType: V6
    • SubModel: BEAUVILLE

    1979-1986 GMC K2500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1975 CHEVROLET CAPRICE

    • Liter: 7.4
    • SubModel: ESTATE WAGON
    • CUI: 454
    • EngineType: V8

    1984 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: RALLY STX

    1978-1979 CHEVROLET NOVA

    • EngineType: V8
    • SubModel: CUSTOM

    1971-1972 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: RS

    1986 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BASE

    1982 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1981 CHEVROLET K20 SUBURBAN

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    • SubModel: CUSTOM

    1980-1982 CHEVROLET K20 SUBURBAN

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    • SubModel: BASE

    1973-1974 PONTIAC LEMANS

    • Liter: 7.5
    • SubModel: SPORT
    • EngineType: V8

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    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1973-1974 BUICK CENTURY

    • Liter: 5.7
    • SubModel: LUXUS
    • EngineType: V8

    1981 OLDSMOBILE DELTA 88

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    • SubModel: HOLIDAY

    1970-1973 CHEVROLET NOVA

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    • SubModel: BASE
    • EngineType: V8

    1972 CHEVROLET CAMARO

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8

    1986 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1976 CHEVROLET IMPALA

    • Liter: 6.6
    • SubModel: S
    • CUI: 400
    • EngineType: V8

    1971 CHEVROLET G20 VAN

    • Liter: 4.8
    • SubModel: BASE
    • EngineType: L6

    1986 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1974 OLDSMOBILE CUSTOM CRUISER

    • Liter: 7.5
    • SubModel: BASE
    • EngineType: V8

    1985 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1971-1974 PONTIAC GRAND SAFARI

    • Liter: 7.5
    • SubModel: BASE
    • EngineType: V8

    1971 CHEVROLET BISCAYNE

    • CC: 7439
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1976-1977 PONTIAC GRAND PRIX

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1984 CHEVROLET C10 SUBURBAN

    • Liter: 6.2
    • SubModel: CUSTOM
    • EngineType: V8

    1994 CHEVROLET K1500 PICKUP

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8

    1981 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: BERLINETTA

    1983 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BONAVENTURE

    1977-1978 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1976 PONTIAC LEMANS

    • Liter: 4.3
    • SubModel: SPORT
    • CUI: 260
    • EngineType: V8

    1990-1992 CHEVROLET C1500 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1971-1974 PONTIAC GRAND PRIX

    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1971 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: BASE

    1981 CHEVROLET C20 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: DELUXE

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    • EngineType: ALL
    • SubModel: BASE

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    • SubModel: REGENCY

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    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8

    1974 OLDSMOBILE 98

    • Liter: 7.5
    • SubModel: REGENCY
    • EngineType: V8

    1972 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1981 GMC K1500 PICKUP

    • EngineType: L6
    • SubModel: SIERRA CLASSIC

    1971 CHEVROLET IMPALA

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1987-1989 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: ALL

    1973 PONTIAC VENTURA

    • EngineType: L6
    • SubModel: BASE

    1984 GMC G25/G2500 VAN

    • Liter: 6.2
    • EngineType: V8
    • SubModel: VANDURA

    1980 PONTIAC CATALINA

    • Liter: 4.9
    • SubModel: SAFARI
    • EngineType: V8

    1980-1981 PONTIAC FIREBIRD

    • EngineType: V6
    • SubModel: ESPRIT

    1972 CHEVROLET TOWNSMAN

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1975 BUICK APOLLO

    • Liter: 4.1
    • SubModel: SR
    • CUI: 250
    • EngineType: L6

    1971-1972 CHEVROLET TOWNSMAN

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1981 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • SubModel: DELUXE
    • CUI: 350
    • EngineType: V8

    1972-1974 OLDSMOBILE DELTA 88

    • EngineType: ALL
    • SubModel: ALL

    1974 PONTIAC LEMANS

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1985 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    1988 CHEVROLET R20 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1973-1974 CHEVROLET CAPRICE

    • Liter: 7.4
    • SubModel: ESTATE
    • CUI: 454
    • EngineType: V8

    1973 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1980-1984 GMC K2500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1970-1972 CHEVROLET CAPRICE

    • CC: 7441
    • Liter: 7.4
    • SubModel: BASE
    • EngineType: V8

    1986 GMC C1500 PICKUP

    • EngineType: V6
    • SubModel: BASE

    1981-1982 OLDSMOBILE DELTA 88

    • Liter: 4.3
    • SubModel: ROYALE
    • EngineType: V8

    1987 GMC R1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1980-1981 PONTIAC FIREBIRD

    • Liter: 4.9
    • SubModel: BASE
    • EngineType: V8

    1973-1974 PONTIAC LEMANS

    • CC: 6555
    • Liter: 6.6
    • SubModel: SPORT
    • CUI: 400
    • EngineType: V8

    1977 PONTIAC GRAND PRIX

    • Liter: 6.6
    • SubModel: SJ
    • CUI: 403
    • EngineType: V8

    1983-1984 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1971-1972 CHEVROLET IMPALA

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1981 PONTIAC CATALINA

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8
    GM85373 - Richmond Gear Excel Ring & Pinion Sets is rated 5.0 out of 5 by 1.
    • 2016-09-27T08:31CST
    • bvseo_cps, prod_bvrr, vn_cps_3.4.0
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    • clientName_jegs
    Rated 5 out of 5 by from Known for good quality workmanship/and ease . Good quality & Installation went well and gears are not noisy.
    Date published: 2015-02-14
    • 2016-09-27T08:31CST
    • bvseo_cps, prod_bvrr, vn_cps_3.4.0
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_1075612, PRD, sort_relevancy
    • clientName_jegs
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